Science Notes

Disease 🪰🦟 PART 2 Here are 16 multiple-choice questions (MCQs) related to various diseases, along with their answers: 21. Which is **not** a symptom of dengue fever?    A) Rash    B) Bleeding gums    C) Increased appetite    D) Joint pain    **Answer: C) Increased appetite 22 **Hypertension** is also known as:    A) Low blood sugar    B) High cholesterol    C) High blood pressure    D) Heart attack    **Answer: C) High blood pressure** 23 **Osteoporosis** makes bones:    A) Flexible    B) Brittle    C) Larger    D) Stronger    **Answer: B) Brittle** 24. **Alzheimer's disease** affects:    A) Memory    B) Vision    C) Hearing    D) Taste    **Answer: A) Memory** 25. The **HIV** virus affects...

EVS part 2 Here are 17 multiple-choice questions (MCQs) on Environmental Studies (EVS) along with their answers: 21 **Which layer of the atmosphere protects us from harmful ultraviolet radiation?**    A) Troposphere    B) Stratosphere    C) Mesosphere    D) Ozone Layer    **Answer: D) Ozone Layer** 22**What is the process by which plants make their food?**    A) Respiration    B) Photosynthesis    C) Transpiration    D) Fermentation    **Answer: B) Photosynthesis** 23. **Which of the following is a renewable resource?**    A) Coal    B) Oil    C) Wind    D) Natural Gas    **Answer: C) Wind** 24. **The 'Three Rs' to save the environment stand for:**    A) Reduce, Reuse, Recycle    B) Rebuild, Reclaim, Restore    C) React, ...

Biology 12 McQ Here are *12 Biology Multiple Choice Questions (MCQs)** along with their answers: 36. **What is the smallest unit of life?**     - A) Cell     - B) Tissue     - C) Organ     - D) Organism     - **Answer: A) Cell** 37. **Which disease is caused by the deficiency of vitamin C?**     - A) Scurvy     - B) Rickets     - C) Beriberi     - D) Pellagra     - **Answer: A) Scurvy** 38. **Which gas is responsible for the greenhouse effect on Earth?**     - A) Oxygen     - B) Nitrogen     - C) Carbon dioxide     - D) Hydrogen     - **Answer: C) Carbon dioxide** 39. **Which blood vessel carries oxygenated blood from the lungs to the heart?**     - A) Vein   ...

DISEASE 🪰 PART 1 Certainly! Here are 20 multiple-choice questions (MCQs) related to various diseases, along with their answers: 1. **Tuberculosis is caused by:**    A) Virus    B) Bacteria    C) Fungi    D) Protozoa    **Answer: B) Bacteria** 2. **Which disease is characterized by the loss of bone density?**    A) Osteoporosis    B) Arthritis    C) Osteomalacia    D) Rickets    **Answer: A) Osteoporosis** 3. **Hepatitis affects which organ of the human body?**    A) Heart    B) Liver    C) Kidney    D) Lungs    **Answer: B) Liver** 4. **Malaria is transmitted by:**    A) Contaminated water    B) Airborne droplets    C) Aedes mosquito    D) Anopheles mosquito    **Answer: D) Anopheles mosquito** 5. **Which is not a cardiovascular disease?**    A) Hypertension    B) Strok...

PLANETS Planets 1. **Which planet in our solar system is nearly as big as the Earth?**     - A) Mercury     - B) Mars     - C) Venus     - D) None     - **Answer: C) Venus**¹ 2. **Where is the asteroid belt located?**     - A) Between Earth and Mars     - B) Between Mars and Jupiter     - C) Between Neptune and Saturn     - D) None      - **Answer: B) Between Mars and Jupiter**¹ 3. **What is the largest planet in our solar system?**     - A) Jupiter     - B) Saturn     - C) Earth     - D) Mars     - **Answer: A) Jupiter**² 4. **Which planet is known for its prominent ring system?**     - A) Venus     - B) Uranus     - C) Neptune...

মানৱ শৰীৰ 1: হাড়ৰ সংখ্যা: 206 2: পেশীৰ সংখ্যা: 639 3: বৃক্কৰ সংখ্যা: 2 4: গাখীৰ দাঁতৰ সংখ্যা: 20 5: পাঁজৰৰ সংখ্যা: 24 (12 যোৰ) 6: হাৰ্ট চেম্বাৰ নম্বৰ: 4 7: আটাইতকৈ ডাঙৰ ধমনী: মহাধমনী 8: স্বাভাৱিক ৰক্তচাপ: 120/80 MMHg ৯: তেজৰ পিএইচ: ৭.৪ 10: মেৰুদণ্ডৰ স্তম্ভত ভাৰ্টাব্ৰেৰ সংখ্যা: 33 11: ডিঙিত ভাৰ্টাব্ৰেৰ সংখ্যা: 7 12: মাজৰ কাণত হাড়ৰ মুঠ সংখ্যা: 6 13: মুখত হাড়ৰ সংখ্যা: 14 14: খুলিৰ হাড়ৰ সংখ্যা: 22 15: বুকুত হাড়ৰ সংখ্যা: 25 16: বাহুত হাড়ৰ সংখ্যা: 6 17: মানুহৰ বাহুত পেশীৰ সংখ্যা: 72 18: হৃদযন্ত্ৰত পাম্পৰ সংখ্যা: 2 19: আটাইতকৈ ডাঙৰ অংগ: ছাল 20: আটাইতকৈ ডাঙৰ গ্ৰন্থি: যকৃত  21: আটাইতকৈ ডাঙৰ কোষ: মহিলাৰ ডিম্বানু 22: আটাইতকৈ সৰু কোষ: শুক্ৰাণু 23: আটাইতকৈ সৰু হাড়: মধ্য কাণৰ স্টেপছ 24: প্ৰথম সংৰোপণ অঙ্গ: বৃক্ক 25: ক্ষুদ্ৰ অন্ত্ৰৰ গড় দৈৰ্ঘ্য: 7 মিটাৰ 26: বৃহদান্ত্ৰৰ গড় দৈৰ্ঘ্য: 1.5 মিটাৰ 27: নৱজাতকৰ গড় ওজন: 3 কিগ্ৰা 28: এক মিনিটত পালচ ৰেট: 72 গুণ 29: শৰীৰৰ স্বাভাৱিক তাপমাত্ৰা: 37 C° (98.4 °F) 30: তেজৰ গড় পৰিমাণ: 5--6 31: লোহিত ৰক্ত কোষৰ জীৱন কাল: 120 দিন 32: শ্বেত ৰক্ত কণিকাৰ জীৱন কাল...

Biology Quiz  Part 2  11. **Which structure in the cell is responsible for organizing the mitotic spindle?**  - A) Nucleolus  - B) Centrosome  - C) Lysosome  - D) Peroxisome  - **Answer: B) Centrosome** 12. **What type of bond holds the two strands of DNA together?**  - A) Ionic bond  - B) Covalent bond  - C) Hydrogen bond  - D) Peptide bond  - **Answer: C) Hydrogen bond** 13. **Which part of the plant is responsible for water absorption from the soil?**  - A) Stem  - B) Leaves  - C) Roots  - D) Flowers  - **Answer: C) Roots** 14. **What is the name of the pigment that gives leaves their green color?**  - A) Chlorophyll  - B) Carotene  - C) Anthocyanin  - D) Xanthophyll  - **Answer: A) Chlorophyll** 15. **In which cellular organelle does cellular respiration occur?**  - A) Chloroplast  - B) Nucleus  - C) Mitochondria  - D) Ribosome  - **Answe...